71821939

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7561}}^1$

素因数の和:7650

約数の個数: 16

約数和(自身を含む): 87114240

約数和(自身を除く): 15292301

約数列:

[1, 7, 23, 59, 161, 413, 1357, 7561, 9499, 52927, 173903, 446099, 1217321, 3122693, 10260277, 71821939]

約数ペア:

[(1, 71821939), (7, 10260277), (23, 3122693), (59, 1217321), (161, 446099), (413, 173903), (1357, 52927), (7561, 9499)]